Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine
A two-dose regimen of BNT162b2 conferred 95% protection against Covid-19 in persons 16 years of age or older. Safety over a median of 2 months was similar to that of other viral...
Publications
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11 publications
The River Continuum Concept
From headwaters to mouth, the physical variables within a river system present a continuous gradient of physical conditions. This gradient should elicit a series of responses wi...
Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine Candidates
The safety and immunogenicity data from this U.S. phase 1 trial of two vaccine candidates in younger and older adults, added to earlier interim safety and immunogenicity data re...
Epithelial-Mesenchymal Transition during Trophoblast Differentiation
Embryo implantation in higher primates is mediated by trophoblast: in the earliest phases by syncytiotrophoblast, then by both cytotrophoblast and syncytiotrophoblast. In the co...
Abrupt Climate Change and Extinction Events in Earth History
Slowly changing boundary conditions can sometimes cause discontinuous responses in climate models and result in relatively rapid transitions between different climate states. Su...
Global climate change and North American mammalian evolution
We compare refined data sets for Atlantic benthic foraminiferal oxygen isotope ratios and for North American mammalian diversity, faunal turnover, and body mass distributions. E...
Anchorage in the developing placenta: An overlooked determinant of pregnancy outcome?
Anchoring villi are peripheral trophoblastic specializations that attach the placenta to the uterine wall. In addition, they supply the migratory trophoblast population that col...
Implantation of the Human Embryo: Research Lines and Models
Infertility is an increasing problem all over the world, and it has been estimated that 10–15% of couples in fertile age have fertility problems. Likewise induced unsafe abortio...